no one expects christie to follow clinton's diet. he said tuesday he's not unlike a lot of americans working on their health. >> i'm making best effort i can, sometimes i'm successful and other times i'm not. sometimes periods of great success are followed by periods of great failure. >> reporter: but christi may not be as unhealthy as he looks. research found that wheel people who are obese have a higher risk of death, body mass index is an imperfect mortality. blood sugar, cholesterol and others should be considered. >> my blood cholesterol is normal, believe it or not. >> what about your blood sugar? >> blood sugar also normal. i'm like basically the healthiest fat guy you've ever seen in your life. >> reporter: despite the jokes, christie says anyone who struggles with weight is also working on a weight loss plan. >> be assured there is a plan. whether it will be successful or not, you'll all be able to notice. >> reporter: now, during the primaries a lot of the republicans were clam mooring for him to get in the race and his lea